Fig. 3From: A case of IgG4-related hepatic inflammatory pseudotumor replaced by an abscess after steroid treatmentEnhanced ultrasonography using perfluorobutane microbubble. An irregular-margin of low echoic mass depicted by B-mode image (a). The lesion infused by microbubble at 10 s after contrast injection (b). Defected microbubble enhancement at 20 s (c)Back to article page